On Mon, 21 Aug 2006 11:31:53 -0500 "J. Ryan Earl" <[EMAIL PROTECTED]> wrote:
> Here we see the problem, the AAAA record for clsmail.com is setup > incorrectly. The temporary workaround is to stop exim for a minute > to let the email timeout in looping to itself, however, as soon as an > autosearch for this user is run again the email loop starts up. Now > I'm trying to figure out the best permanent workaround. I did some > research and basic googling on the matter and found: > http://www.exim.org/exim-html-4.62/doc/html/spec_html/ch13.html#id2569429 > > disable_ipv6 appears to have been added after Exim version 4.43, so I > can't use that. Instead I added the following to exim.conf: > > # turn off IPv6 lookups > dns_ipv4_lookup = true > > However, that didn't seem to help any, the email loop resurfaces. > I'm hoping that I won't have to build my own custom installation of > Exim to fix this problem as this is installed on a heavily used > production system and a new Exim installation would be a huge > variable I'd like to avoid. Does anyone know of a permanent > workaround to disable IPv6 AAAA lookups with the stock RHEL4 version > of Exim? Check the ignore_target_hosts option for the transport. It's normally set to "0.0.0.0 : 127.0.0.0/8" which will stop it delivering to localhost over IPv4. In the spec, it gives a couple of examples on how to block all IPv6 deliveries with it: http://www.exim.org/exim-html-4.60/doc/html/spec.html/ch15.html#id2604632 -- Dominic Cleal [EMAIL PROTECTED] -- ## List details at http://www.exim.org/mailman/listinfo/exim-users ## Exim details at http://www.exim.org/ ## Please use the Wiki with this list - http://www.exim.org/eximwiki/
